North Korean Diplomat Wanted Over Kim Jong-Nam Killing

Malaysian police have named a senior embassy official they want to question in connection with the killing of the half-brother of North Korean leader Kim Jong-un. Also in the programme, how the US government plans to greatly expand the categories of immigrants targeted for deportation, and the psychology of not wanting to know.
(Photo: Journalists camp outside the North Korean embassy in Kuala Lumpur, Malaysia. Credit: Rahman Roslan/Getty Images)